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电网技术  2015 

微电网中混合储能模糊自适应控制策略

DOI: 10.13335/j.1000-3673.pst.2015.03.014, PP. 677-681

Keywords: 微电网,混合储能,平滑输出,小波包分解,模糊控制

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Abstract:

针对网内间歇性电源输出功率的波动性,建立了以相邻时段间歇性电源输出变化和供需功率平衡为基础的评价指标。提出了基于小波包分解的混合储能充放电策略,以小波包分解的间歇性电源功率高、中频分量作为混合储能初始充放电值,利用供需不平衡功率对混合储能充放功率的进行第1次修正,利用混合储能系统当前充放电能力的模糊控制输出对充放功率的进行第2次修正。算例结果验证了所提策略的有效性。

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